version 0.6.91
* support ucs4 characters;
* support guess sentence with prefix;
* initially support fuzzy pinyin segment.

version 0.6.0
* the first official release of 0.6.x.

version 0.5.92
* fixes new parsers and chewing large table;
* improves pinyin_save.

version 0.5.91
* some code re-factor and simplify;
* fixes the self-learning work around.

version 0.5.0
* the first official release of 0.5.x.

version 0.4.93
* fixes some bugs in new parsers.

version 0.4.92
* enable parallel make.

version 0.4.91
* New parsers for full pinyin/double pinyin/chewing.
  * libpinyin now fully supports all pinyin auto corrections in
ibus-pinyin;
  * libpinyin now better supports an/ang, en/eng, in/ing fuzzy
pinyin match.

version 0.3.0
* the first official release of 0.3.x.

version 0.2.99
* import from pinyin.
